A QoS Aware Multi-modulation CAC for WiMax

Abstract

This paper proposes a QoS aware multi-modulation connection admission control (Q-CAC) that is able to adapt itself to network environment with QoS guarantee. Q-CAC is based on both the number of remaining slots and minimum reserved traffic rate to admit connections. Simulation results show that Q-CAC outperforms Bandwidth based CAC in delay and meets the QoS requirements of UGS, ertPS, and rtPS connections.